英语选择.-------twice ,the postman refused to deliver our letters unless we changed our dog.------twice ,the postman refused to deliver our letters unless we changed our dog.A.Being bittenB.BittenC.Having bittenD.To be bitten请详细解释一下

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英语选择.-------twice ,the postman refused to deliver our letters unless we changed our dog.------twice ,the postman refused to deliver our letters unless we changed our dog.A.Being bittenB.BittenC.Having bittenD.To be bitten请详细解释一下
英语选择.-------twice ,the postman refused to deliver our letters unless we changed our dog.
------twice ,the postman refused to deliver our letters unless we changed our dog.
A.Being bitten
B.Bitten
C.Having bitten
D.To be bitten
请详细解释一下正确答案,以及C选项 (如果是变成Having been bitten可以算是正确吗）
谢咯~
PS:Having said that she didn't do a good job , I don't think I am abler than her.
这一句虽然没有被动,但是分析一下“Having said”.

英语选择.-------twice ,the postman refused to deliver our letters unless we changed our dog.------twice ,the postman refused to deliver our letters unless we changed our dog.A.Being bittenB.BittenC.Having bittenD.To be bitten请详细解释一下
1.选B
意思是：在被咬了两次后,这位邮递员拒绝给我们送信,除非我们把狗用链条拴起来.
这里C是主动态,肯定不对,D是不定式被动,一般不定式短语在句首,是作目的状语,译成：为了...,这里是表示原因,所以D是错误的
而A和B的区别,being done和done都可以作为被动态的状语,但being done 表达被动进行,而done表示被动和完成.
如： Being questioned by the police, he felt terrible. (正在被警察审问)
原句中,显然被咬是已经完成的动作,所以不能用A
至于另一个问题,having said表示我说过“她并没有做好”,用完成时表示事情已经发生,我已经说过了她没有做好；用主动表示我是动作的发出者；主语与主句一直,是“I”.

应该选a啊啊啊啊啊啊啊啊啊啊

选B啊,用过去分词表示被动,C改为Having been bitten就对了，因为被狗咬对postman有影响，分词中having done表示强调动作已经发生。
PS:Having said that she didn't do a good job , I don't think I am abler than her.
这一句having said 是“I” 的动作，强调我以...

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